| Budget Amount *help |
¥15,990,000 (Direct Cost: ¥12,300,000、Indirect Cost: ¥3,690,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2015: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2014: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
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| Outline of Final Research Achievements |
This study is intended to understand the characteristics of the sediment budget and distribution process of the coastal area.The Rhone estuary in France is selected as investigation area in this study where the outflow of the radionuclide derived from Chernobyl disaster was pointed out by other scientific articles.
The columnar sampling of sea-bottom sediment layer by piston corer and the three-dimensional highly-precise topographical survey of the sea delta topography were carried out. As a result, sediment layer samplings with the azimuth information were succeeded. The particle size distribution profiles of the sediment layer was able to identify in according with these sediment cores. The identification of the flow condition at the time of sediment deposition based on the imbrication structure of sediment particles are considered now. On the other hand, radionuclide was not able to be detected in sampling cores. A future study of this cause is necessary.
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